OriginLab Corporation - Data Analysis and Graphing Software - 2D graphs, 3D graphs, Contour Plots, Statistical Charts, Data Exploration, Statistics, Curve Fitting, Signal Processing, and Peak Analysis
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Finding Hidden Peaks with the Peak Analyzer

With the advanced peak finding methods provided by the Peak Analyzer, even hidden peaks in spectrum data can be automatically detected.

In the example below, there are two hidden peaks in the spectrum:

Spectrum with Hidden Peaks

These hidden peaks can be detected by the 2nd Derivative (Search Hidden Peaks) method provided by the Peak Analyzer.

Select the Method for Peak Finding

The result is shown below. The peaks centered in 4.98 and 7.03 are hidden peaks that are found with the 2nd Derivative method.

Hidden Peaks Found by Peak Analyzer

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